124 lines
3.9 KiB
PHP
124 lines
3.9 KiB
PHP
<?php
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include_once(_PS_CLASS_DIR_.'PEAR.php');
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include_once(_PS_PEAR_XML_PARSER_PATH_.'Parser.php');
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class Blockrss extends Module
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{
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function __construct()
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{
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$this->name = 'blockrss';
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$this->tab = 'Blocks';
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parent::__construct();
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$this->displayName = $this->l('RSS feed block');
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$this->description = $this->l('Adds a block displaying an RSS feed');
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$this->version = '1.0';
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$this->error = false;
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$this->valid = false;
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}
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function install()
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{
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Configuration::updateValue('RSS_FEED_TITLE', $this->l('RSS feed'));
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Configuration::updateValue('RSS_FEED_NBR', 5);
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if (parent::install() == false OR $this->registerHook('leftColumn') == false)
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return false;
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return true;
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}
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public function getContent()
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{
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$output = '<h2>'.$this->displayName.'</h2>';
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if (Tools::isSubmit('submitBlockRss'))
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{
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$urlfeed = strval(Tools::getValue('urlfeed'));
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$title = strval(Tools::getValue('title'));
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$nbr = intval(Tools::getValue('nbr'));
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if ($urlfeed AND !Validate::isUrl($urlfeed))
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$errors[] = $this->l('Invalid feed URL');
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elseif (!$title OR empty($title) OR !Validate::isGenericName($title))
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$errors[] = $this->l('Invalid title');
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elseif (!$nbr OR $nbr <= 0 OR !Validate::isInt($nbr))
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$errors[] = $this->l('Invalid number of feeds');
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elseif (stristr($urlfeed, $_SERVER['HTTP_HOST'].__PS_BASE_URI__))
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$errors[] = $this->l('You cannot select your own RSS feed');
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else
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{
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Configuration::updateValue('RSS_FEED_URL', $urlfeed);
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Configuration::updateValue('RSS_FEED_TITLE', $title);
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Configuration::updateValue('RSS_FEED_NBR', $nbr);
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}
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if (isset($errors) AND sizeof($errors))
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$output .= $this->displayError(implode('<br />', $errors));
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else
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$output .= $this->displayConfirmation($this->l('Settings updated'));
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}
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return $output.$this->displayForm();
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}
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public function displayForm()
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{
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$output = '
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<form action="'.$_SERVER['REQUEST_URI'].'" method="post">
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<fieldset><legend><img src="'.$this->_path.'logo.gif" alt="" title="" />'.$this->l('Settings').'</legend>
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<label>'.$this->l('Block title').'</label>
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<div class="margin-form">
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<input type="text" name="title" value="'.Tools::getValue('title', Configuration::get('RSS_FEED_TITLE')).'" />
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<p class="clear">'.$this->l('Create a title for the block (default: \'RSS feed\')').'</p>
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</div>
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<label>'.$this->l('Add a feed URL').'</label>
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<div class="margin-form">
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<input type="text" size="85" name="urlfeed" value="'.Tools::getValue('urlfeed', Configuration::get('RSS_FEED_URL')).'" />
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<p class="clear">'.$this->l('Add the url of the feed you wan\'t to use').'</p>
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</div>
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<label>'.$this->l('Number of threads displayed').'</label>
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<div class="margin-form">
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<input type="text" size="5" name="nbr" value="'.Tools::getValue('nbr', Configuration::get('RSS_FEED_NBR')).'" />
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<p class="clear">'.$this->l('The number of threads displayed by the block (default value: 5)').'</p>
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</div>
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<center><input type="submit" name="submitBlockRss" value="'.$this->l('Save').'" class="button" /></center>
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</fieldset>
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</form>';
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return $output;
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}
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function hookLeftColumn($params)
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{
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global $smarty;
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// Conf
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$title = strval(Configuration::get('RSS_FEED_TITLE'));
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$url = strval(Configuration::get('RSS_FEED_URL'));
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$nb = intval(Configuration::get('RSS_FEED_NBR'));
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// Getting data
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$rss_links = array();
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if ($url && ($contents = @file_get_contents($url)))
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if (@$src = new XML_Feed_Parser($contents))
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for ($i = 0; $i < ($nb ? $nb : 5); $i++)
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if (@$item = $src->getEntryByOffset($i))
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$rss_links[] = array('title' => $item->title, 'url' => $item->link);
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// Display smarty
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$smarty->assign(array(
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'title' => ($title ? $title : $this->l('RSS feed')),
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'rss_links' => $rss_links
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));
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return $this->display(__FILE__, 'blockrss.tpl');
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}
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function hookRightColumn($params)
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{
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return $this->hookLeftColumn($params);
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}
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}
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?>
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